Finding the Fourth Proportional to 778,014.80, 1,072,620.60 and 583,596.08
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Solution
The fourth proportional to 778,014.80, 1,072,620.60 and 583,596.08 is: 804,582.61
Step by Step Solution
- Step 1: Write the proportion equation
778,014.80 : 1,072,620.60 = 583,596.08 : x - Step 2: Convert to fraction form
778,014.80/1,072,620.60 = 583,596.08/x - Step 3: Cross multiply
778,014.80x = 1,072,620.60 × 583,596.08 - Step 4: Simplify right side
778,014.80x = 625,977,177,487.25 - Step 5: Solve for x
x = 625,977,177,487.25/778,014.80 - Step 6: Final answer
x = 804,582.61
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.